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/*
* Qualcomm APQ8016 reset controller driver
*
* (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <errno.h>
#include <sysreset.h>
#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
static int msm_sysreset_request(struct udevice *dev, enum sysreset_t type)
{
phys_addr_t addr = dev_get_addr(dev);
if (!addr)
return -EINVAL;
writel(0, addr);
return -EINPROGRESS;
}
static struct sysreset_ops msm_sysreset_ops = {
.request = msm_sysreset_request,
};
static const struct udevice_id msm_sysreset_ids[] = {
{ .compatible = "qcom,pshold" },
{ }
};
U_BOOT_DRIVER(msm_reset) = {
.name = "msm_sysreset",
.id = UCLASS_SYSRESET,
.of_match = msm_sysreset_ids,
.ops = &msm_sysreset_ops,
};
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